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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 72
IDENTIFICATION, CONTROL AND OPTIMISATION OF ENGINEERING STRUCTURES
Edited by: G. De Roeck and B.H.V. Topping
Paper IV.1

Topological Design Solutions for Structures under Transmissible Loads

M.B. Fuchs and E. Moses

Department of Solid Mechanics, Materials and Structures, The Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv University, Tel Aviv, Israel

Full Bibliographic Reference for this paper
M.B. Fuchs, E. Moses, "Topological Design Solutions for Structures under Transmissible Loads", in G. De Roeck, B.H.V. Topping, (Editors), "Identification, Control and Optimisation of Engineering Structures", Civil-Comp Press, Edinburgh, UK, pp 95-100, 2000. doi:10.4203/ccp.72.4.1
Abstract
Optimal topological design of structures is a technique for designing optimal structural solutions without any preconception. Starting from a design region circumscribing the result, a given volume of material, the applied loads and the support conditions, the method produces the optimal solution in an iterative manner or by a mathematical programming extremization algorithm. The objective function is traditionally the compliance but other merit functions have also been used. It is indicated that by determining the load position one imposes a preconception, since necessarily the structure will connect the force locations to the reactions. It was therefore suggested, wherever possible, to let the loads slide along their line of action and allow the algorithm to determine optimal topologies with optimally located forces. The inclusion of transmissible forces in the design formulation helps in producing the main load-carrying part of the structure by removing all secondary, local load transfer components.

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